High Calcium
Answers to common questions about high calcium.
Questions on this page
What is hypercalcaemia?
Hypercalcaemia means the calcium level in the blood is higher than normal.
What causes high calcium?
Common causes include:
- Primary hyperparathyroidism
- Cancer
- Certain medicines
- Excess vitamin D
- Other medical conditions
What symptoms can high calcium cause?
Excessive thirst
Frequent urination
Constipation
Abdominal discomfort
Weakness
Confusion
Severe hypercalcaemia can be an emergency.